19922553

素因数分解:

$3^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{101}}^2$

素因数の和:246

約数の個数: 36

約数和(自身を含む): 34288384

約数和(自身を除く): 14365831

約数列:

[1, 3, 7, 9, 21, 31, 63, 93, 101, 217, 279, 303, 651, 707, 909, 1953, 2121, 3131, 6363, 9393, 10201, 21917, 28179, 30603, 65751, 71407, 91809, 197253, 214221, 316231, 642663, 948693, 2213617, 2846079, 6640851, 19922553]

約数ペア:

[(1, 19922553), (3, 6640851), (7, 2846079), (9, 2213617), (21, 948693), (31, 642663), (63, 316231), (93, 214221), (101, 197253), (217, 91809), (279, 71407), (303, 65751), (651, 30603), (707, 28179), (909, 21917), (1953, 10201), (2121, 9393), (3131, 6363)]